/*
* ng_async.h
*/
/*-
* Copyright (c) 1996-1999 Whistle Communications, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Archie Cobbs <archie@freebsd.org>
* $Whistle: ng_async.h,v 1.5 1999/01/25 01:17:14 archie Exp $
*/
#ifndef _NETGRAPH_NG_ASYNC_H_
#define _NETGRAPH_NG_ASYNC_H_
/* Type name and cookie */
#define NG_ASYNC_NODE_TYPE "async"
#define NGM_ASYNC_COOKIE 886473717
/* Hook names */
#define NG_ASYNC_HOOK_SYNC "sync" /* Sync frames */
#define NG_ASYNC_HOOK_ASYNC "async" /* Async-encoded frames */
/* Maximum receive size bounds (for both sync and async sides) */
#define NG_ASYNC_MIN_MRU 1
#define NG_ASYNC_MAX_MRU 8192
#define NG_ASYNC_DEFAULT_MRU 1600
/* Frame statistics */
struct ng_async_stat {
u_int32_t syncOctets;
u_int32_t syncFrames;
u_int32_t syncOverflows;
u_int32_t asyncOctets;
u_int32_t asyncFrames;
u_int32_t asyncRunts;
u_int32_t asyncOverflows;
u_int32_t asyncBadCheckSums;
};
/* Keep this in sync with the above structure definition */
#define NG_ASYNC_STATS_TYPE_INFO { \
{ "syncOctets", &ng_parse_uint32_type }, \
{ "syncFrames", &ng_parse_uint32_type }, \
{ "syncOverflows", &ng_parse_uint32_type }, \
{ "asyncOctets", &ng_parse_uint32_type }, \
{ "asyncFrames", &ng_parse_uint32_type }, \
{ "asyncRunts", &ng_parse_uint32_type }, \
{ "asyncOverflows", &ng_parse_uint32_type }, \
{ "asyncBadCheckSums",&ng_parse_uint32_type }, \
{ NULL } \
}
/* Configuration for this node */
struct ng_async_cfg {
u_char enabled; /* Turn encoding on/off */
u_int16_t amru; /* Max receive async frame length */
u_int16_t smru; /* Max receive sync frame length */
u_int32_t accm; /* ACCM encoding */
};
/* Keep this in sync with the above structure definition */
#define NG_ASYNC_CONFIG_TYPE_INFO { \
{ "enabled", &ng_parse_int8_type }, \
{ "amru", &ng_parse_uint16_type }, \
{ "smru", &ng_parse_uint16_type }, \
{ "accm", &ng_parse_hint32_type }, \
{ NULL } \
}
/* Commands */
enum {
NGM_ASYNC_CMD_GET_STATS = 1, /* returns struct ng_async_stat */
NGM_ASYNC_CMD_CLR_STATS,
NGM_ASYNC_CMD_SET_CONFIG, /* takes struct ng_async_cfg */
NGM_ASYNC_CMD_GET_CONFIG, /* returns struct ng_async_cfg */
};
#endif /* _NETGRAPH_NG_ASYNC_H_ */
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